The accident happened Monday when a truck carrying flammable liquid lost its first right rear wheel just after crossing the I-35 southbound bridge over Lewisville Lake.
That tire struck two vehicles. Taylor said the truck continued for about half a mile when the second wheel came off and it struck the worker who was outside of his vehicle.
An air ambulance flew Garcia to a hospital where he later died.
Manager Robert Sorenson said the truck company, Safety-Kleen, is cooperating with police during the investigation.
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